Fridge not working on gas, works fine on AC
Hi all,
First off, I'm asking for a friend. We were camping a couple weeks ago, and he mentioned his fridge won't run on gas. Being pretty decent at troubleshooting I offered to take look.
Here's the details--
* Very new toyhauler, 2014 Raptor. Yes it's under warranty, but the dealer says it's going to be 4-6 weeks for his turn in line.
* 12CuFt Dometic side by side fridge
* AC, works fine.
* Gas - goes through the normal lighting sequence, igniter pops, gas valve opens, main burner DOES light. 5 or so seconds later, it intentionally shuts itself off.
My suspect is the thermocouple that detects and sends the "it's lit" signal back to the board. It is in a spot where it cannot be moved, nor does it look like it has moved away from where it's supposed to be.
Here's what I don't know - I do know what a thermocouple does, creates a very minute voltage when heated. My question for testing it - what voltage should I see on a VOM open-circuit(disconnected from the board, hooked directly to the meter)?
Also - the thermocouple isn't directly connected to the main board, it goes through a very small black box with a red LED on it. That LED goes red when the thermo couple is disconnected, so it's some sort of continuity check. That little black box is then connected to the main board. What is that little black box?
And just to reiterate, this is all the info I have for now, it's not my RV. Any help is appreciated, Thanx!
First off, I'm asking for a friend. We were camping a couple weeks ago, and he mentioned his fridge won't run on gas. Being pretty decent at troubleshooting I offered to take look.
Here's the details--
* Very new toyhauler, 2014 Raptor. Yes it's under warranty, but the dealer says it's going to be 4-6 weeks for his turn in line.
* 12CuFt Dometic side by side fridge
* AC, works fine.
* Gas - goes through the normal lighting sequence, igniter pops, gas valve opens, main burner DOES light. 5 or so seconds later, it intentionally shuts itself off.
My suspect is the thermocouple that detects and sends the "it's lit" signal back to the board. It is in a spot where it cannot be moved, nor does it look like it has moved away from where it's supposed to be.
Here's what I don't know - I do know what a thermocouple does, creates a very minute voltage when heated. My question for testing it - what voltage should I see on a VOM open-circuit(disconnected from the board, hooked directly to the meter)?
Also - the thermocouple isn't directly connected to the main board, it goes through a very small black box with a red LED on it. That LED goes red when the thermo couple is disconnected, so it's some sort of continuity check. That little black box is then connected to the main board. What is that little black box?
And just to reiterate, this is all the info I have for now, it's not my RV. Any help is appreciated, Thanx!
